CROVISA manufacture a wide range of toroidal transformers from 20 VA to 5 kVA that combine all the electrical and mechanical advantages of this type of transformers.
Toroidal transformers manufactured by CROVISA are approved by VDE according to EN-61558 (VDE 0570). They consist of an annular core with very low air gaps on which the windings or varnished wire in insulation class H (180°C) and the correspondent insulation are placed.
The experience of our technical staff enables us to find the best guaranteed solution for all inquiries reaching us. We design according to our customers' specific technical and mechanical requirements such as: power, voltage, screen winding, thermal protection, connectors, encapsulated or with different fixing devices.
General specifications.
More than 5Mohms, 500 Vdc insulation.
Dielectric strength greater than 3000 V -1 min. between primary and secondary.
Leakage paths and air ranges according to VDE 0570 standard.
Designed for 40°C ambient temperature (Ta 40/B).
230 V ±10% 50-60 Hz.
Secondary voltage tolerance ±5%
Very low no-load losses.
Reduced copper losses and high performance level.
Reduced noise level and low magnetic radiation.
Excellent no-load/load regulation.
Computerized verification of all electrical parameters during production.
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